It will be noted that the dactyl is very closely related in expression to the trochee, and the anapest to the iambic.
"Browning and the Dramatic Monologue"
S. S. Curry
This foot, which is the opposite of the dactyl, is known as the anapest.
"Elementary Guide to Literary Criticism"
F. V. N. Painter
By rapid utterance two syllables are often equal to one, and in this way an anapest is frequently used with the time value of an iambus.
"Elementary Guide to Literary Criticism"
F. V. N. Painter